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General warnings and precautions for safe operation and preventing electrical hazards.
Guidelines for properly grounding outdoor antennas to protect against voltage surges and static charges.
Details the volume control and how it adjusts input sensitivity from -30dB to +6dB.
Explains the variable adjustment of the low-pass filter from 50Hz to 130Hz.
Describes the phase switch's role in polarity inversion and its effect on bass response.
Explains the function of the ground lift switch in reducing ground loop noise.
Instructions for powering on the unit and setting the correct voltage for safe operation.
Guidance on identifying blown fuses and replacing them with the correct rating.
Details the balanced XLR/TRS and unbalanced RCA audio input specifications.
Guidance on connecting the subwoofer to a stereo monitoring system with passive monitors via an external amplifier.
Steps for matching subwoofer levels with monitors and aligning phase using pink noise.
How to use the bypass feature to evaluate the subwoofer's impact on the mix.
Procedures for setting the LFE channel level in a 5.1 surround system using pink noise.
Steps to diagnose and resolve issues where the subwoofer does not power on.
Solutions for diagnosing and fixing problems where no audio output is heard from the subwoofer.
Troubleshooting steps for when the subwoofer suddenly stops working due to overheating or protection circuits.
Procedures for diagnosing and resolving changes in sound quality or driver issues.
Tips for eliminating or reducing unwanted hiss, hum, or other loud noises from the system.
General warnings and precautions for safe operation and preventing electrical hazards.
Guidelines for properly grounding outdoor antennas to protect against voltage surges and static charges.
Details the volume control and how it adjusts input sensitivity from -30dB to +6dB.
Explains the variable adjustment of the low-pass filter from 50Hz to 130Hz.
Describes the phase switch's role in polarity inversion and its effect on bass response.
Explains the function of the ground lift switch in reducing ground loop noise.
Instructions for powering on the unit and setting the correct voltage for safe operation.
Guidance on identifying blown fuses and replacing them with the correct rating.
Details the balanced XLR/TRS and unbalanced RCA audio input specifications.
Guidance on connecting the subwoofer to a stereo monitoring system with passive monitors via an external amplifier.
Steps for matching subwoofer levels with monitors and aligning phase using pink noise.
How to use the bypass feature to evaluate the subwoofer's impact on the mix.
Procedures for setting the LFE channel level in a 5.1 surround system using pink noise.
Steps to diagnose and resolve issues where the subwoofer does not power on.
Solutions for diagnosing and fixing problems where no audio output is heard from the subwoofer.
Troubleshooting steps for when the subwoofer suddenly stops working due to overheating or protection circuits.
Procedures for diagnosing and resolving changes in sound quality or driver issues.
Tips for eliminating or reducing unwanted hiss, hum, or other loud noises from the system.
The KRK10s is an active studio subwoofer designed to extend the bass response of main monitors in stereo or 5.1 surround sound systems. It aims to provide precise and accurate low-frequency reproduction, making it a "studio standard" for audio professionals. The subwoofer features a built-in crossover and amplifier, simplifying its integration into existing monitoring setups.
The primary function of the KRK10s subwoofer is to reproduce low frequencies, complementing full-range studio monitors. It includes an internal 80Hz high-pass filter for existing full-range monitors, allowing them to focus on higher frequencies while the subwoofer handles the bass. The subwoofer can be used in both stereo and 5.1 surround sound configurations. In a 5.1 setup, it manages the Low Frequency Effects (LFE) channel and handles bass redirection from the other five channels, a process known as Bass Management. This ensures that the entire monitoring system provides a smooth and accurate frequency response, preventing exaggerated bass that could lead to mixes with insufficient low-end energy.
The KRK10s is equipped with a Phase switch, which is a polarity inversion mechanism. Its correct position (0 or 180 degrees) depends on various factors, including the subwoofer's distance from the listening position and monitors, as well as the room's bass response and the system's absolute polarity. This switch helps align the subwoofer's output with other speakers in the room for optimal phase coherence.
A Low-Pass Frequency adjustment is provided, offering a continuously variable range from 50Hz to 130Hz. This allows users to fine-tune the upper frequency limit of the subwoofer's output, ensuring a seamless blend with the main monitors.
The subwoofer also features a bypass function, which allows users to temporarily defeat the subwoofer and, if its Line Outputs are being used, provide full-range audio to the main monitors. This feature is useful for evaluating the impact of the subwoofer on a mix and for checking the full bandwidth response of the main monitors.
General| Type | Active |
|---|---|
| Driver Size | 10 inches |
| Output Connectors | XLR |
| Phase Switch | 0° / 180° |
| Volume Control | Yes |
| Auto On/Off | Yes |
| Input Connectors | XLR, RCA |
| Low Pass Filter | 50Hz - 130Hz |
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